Commodity2005200620072008200920102011
Artificial guts (sausage casings) of hardened protein/of cellulosic mats  $1,570 $9,448  
Tubes, pipes & hoses, rigid, of polymers of ethylene$13,006 $11,141$3,899$107$66,599$352,555
Tubes, pipes & hoses, rigid, of polymers of propylene    $2,735$168 
Tubes, pipes & hoses, rigid, of polymers of vinyl chloride$34,002      
Tubes, pipes & hoses, rigid, of plastics n.e.s. in 39.17$4,578  $24,615$80$26,316$14,700
Flexible tubes, pipes & hoses of plastics, having a minimum burst pressure ...$689 $1,578$65$9,352$69,890$42,482
Tubes, pipes & hoses of plastics (excl. of 3917.31), not reinf./othw. combi ...$8,407 $6,277$135,156$730,921$871,849$1,500,365
Tubes, pipes & hoses of plastics (excl. of 3917.31 & 3917.32), not reinf./o ...      $668
Tubes, pipes & hoses of plastics, n.e.s. (excl. of 3917.21-3917.33)    $11,580$30,881$20,921
Fittings (e.g., joints, elbows, flanges) for tubes, pipes & hoses, of plast ...$11,781$1,982$1,879$53,991$105,402$86,481$56,029
Total$72,463$1,982$22,445$217,726$869,625$1,152,184$1,987,720